Finding the Fourth Proportional to 64,645.75, 89,222.09 and 37,417.89

Step by Step Solution

1. Step 1: Write the proportion equation
   64,645.75 : 89,222.09 = 37,417.89 : x
2. Step 2: Convert to fraction form
   64,645.75/89,222.09 = 37,417.89/x
3. Step 3: Cross multiply
   64,645.75x = 89,222.09 × 37,417.89
4. Step 4: Simplify right side
   64,645.75x = 3,338,502,349.19
5. Step 5: Solve for x
   x = 3,338,502,349.19/64,645.75
6. Step 6: Final answer
   x = 51,643.03